using System;
using iTextSharp.text.error_messages;
/*
 * This file is part of the iText project.
 * Copyright (c) 1998-2009 1T3XT BVBA
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * you must retain the producer line in every PDF that is created or manipulated
 * using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */

namespace iTextSharp.text.pdf {

    /**
    * The content where Type3 glyphs are written to.
    */
    public sealed class Type3Glyph : PdfContentByte {

        private PageResources pageResources;
        private bool colorized;
        
        private Type3Glyph() : base(null) {
        }
        
        internal Type3Glyph(PdfWriter writer, PageResources pageResources, float wx, float llx, float lly, float urx, float ury, bool colorized) : base(writer) {
            this.pageResources = pageResources;
            this.colorized = colorized;
            if (colorized) {
                content.Append(wx).Append(" 0 d0\n");
            }
            else {
                content.Append(wx).Append(" 0 ").Append(llx).Append(' ').Append(lly).Append(' ').Append(urx).Append(' ').Append(ury).Append(" d1\n");
            }
        }
        
        internal override PageResources PageResources {
            get {
                return pageResources;
            }
        }
        
        public override void AddImage(Image image, float a, float b, float c, float d, float e, float f, bool inlineImage) {
            if (!colorized && (!image.IsMask() || !(image.Bpc == 1 || image.Bpc > 0xff)))
                throw new DocumentException(MessageLocalization.GetComposedMessage("not.colorized.typed3.fonts.only.accept.mask.images"));
            base.AddImage(image, a, b, c, d, e, f, inlineImage);
        }

        public PdfContentByte GetDuplicate() {
            Type3Glyph dup = new Type3Glyph();
            dup.writer = writer;
            dup.pdf = pdf;
            dup.pageResources = pageResources;
            dup.colorized = colorized;
            return dup;
        }    
    }
}
